Loose-leaf binder



A ril-22, 1930. J. E. CARR LOOSE LEAF BINDER Filed Feb. .19, 1929 v 2 Sheets-Sheet l JZ wE arr ggzwm Inventor A iiorney J. E. CARR April 22, 1930.

LOOSE LEAF BINDER Filed Feb. 19, 1929 2 Sheets-Sheet 2 Inventor Jzzfflarr 1 By Attorney Patented Apr. 22, 1930 r Y iroHn iv GAPLR, or I ATLANTA, enonsm moss-L AF BINDER,

' Applica'ti on filed F b-s ay 19,. 11929.nSeria1-No. 341,206.

QThe; present I invention 1 appertains to, improvements in book binders-and more especially to binders of the loose leaf type; One of the most important objects of this invention is to provide a binder ofsuch con: struction as to permit the insertion of a leaf 7 capacity between the leaves and index leaves already interposed between the clamping portions of the binder without necessitating the removal of any-of the leaves originally in place, and

precludesthe necessity of re-enforcing the index sheets on thebinding'margin. 7

Another object .of paramount importance is the provision Offit'bllldBI of such construe.-

tion as to" preclude the necessityof posts or of..having the leaves punched in any; manner) 7 vAnother object'is to provide a binder including a frame which may be varied in to accommodate loose! leaf fillings I 7 from one end with an undercut channel 9 for of varying thickness; r a

7 Still anothertobje'ct is m -saw; bind er in which the clampingmeans willinot tend 7 r0 deface the leaves retained thereby; ,I v v :These and other objects of the invention Will become more apparentto the reader after considering the invention as described and claimed hereinafter;

' Figure is a top plan View of the improved a binder.

Figure 2 is a side elevation of the improved binder. Figure 3 is an end elevation of the book looking toward the binder.

' Figure 4 represents a fragmentary longitudinal sectional View, taken substantially on the line H of Figure 3.

Figure 5 is a partial sectional View of a 7 detail of the binder. a V

Figure 6 is an inside elevation ofthe 'ad- 7 'justm'ent means for the binder.

detail employed in conjunctionwith the adjustment means shown in. Figure 6.

F igure'll is a fragmentary side elevation looking toward the inner side of the adjustment means shown in Figure 6.

Referring to the drawlngs, wherein like numerals des gnate like parts, the-lnvention in'cludesthe rectangular frame. generally re- V ferred'to bynumeral 3. Thisframe includes 3 1 a pair of elongated hollow side'pieces 4+4 interconnected at their ends by detachable end pieces generally referred to by numerals 5.5., and a pair of intermediate connecting members 6-6 of substantially the same construction'asthe endpieces- 5- 5. .The end pieces o5'.5 and the connecting members 6+6 are each constructed ofa pair of sections 7 i and 8-respectively. 'The section? is provided fora substantialvdistance inwardly receiving the relatively narrowsection 8,i1i

ing 10 having the notches 11 disposed in diametrically opposite directions. The inner surface of the channel 9 .at the opening;

all

10 is formed with a circular recess communi' 7 eating with the notches -11, so that the wards I 13 of the key li may be received in the recess 7 and'then turned to, an offset position with re v spect to thealigned positions of the said notches so as toprohibit the accidental dis placement of thekey from its] association with the sections 7 and 8; ;The stem of the key is provided with an extensionlt for i disposition through a predetermined opening 7 .15 in thesection 8, so that these sections may tended position. 1, v

, Each sectionis provided vat its outer end with a laterally disposedhead 15 having a pocket 16 therein, in which a spring-projected ball l7' is seated, and adapted to partially project beyond the upper surface of the head.

The'up'per andlower side pieces 44 are open'at their ends'and provided with open-,

ings '18, in their side and end walls through Which: the heads 15, may be inserted in the side "pieces from the rear and eachside piece -1s formed-in its outer wall opposite each openp be secured together, in .a predetermined ex ing 18with an aperture 19, for receiving one of the spring-pressed balls 17, which are adapted to engage in the opening 19 of the hollow side pieces 4: to retain the sections connected to the frame.

. Theupper side piece 4: is provided with a pair of internally threaded tubes fill-- disposed therethrough and suitably secured by welding or otherwise.

7 A clampmemb'er such as is shown in Figure 8 of the drawings is threadedly' engaged through each tube 20. These clamp members I each consist in constructionrof an externally threaded bodyQl provided atone end with a socket22 of polygonal cross section. The

opposite end of the body has a'reduced ext'ension 28,'towhich a cap 24 is swivelly connected.

In Figure 9 a tool is shown in the form of a bar'25, of polygonal shape and having one s end portionbent laterally to providea handle26. This tool is engageable at one end within the socket 22, for feeding the body 21 inwardly so that the swivelled cap24 may be engaged against the sheetsjto firmly compress the same within the frame'3. l l

A pair of cover sections 27 -27 of any suitable construction and'material are hingedly connected to the side pieces etl of theframe 3at the point designatedby numeral'28.

In the manufacture ofthis novel hook construction, let it beunderstood that various changes may be made in the shape, size and and scope of the invention as inafter; I I V j t v H Having described the invention, what is materials without departing from the spirit claimed hereclaimed as new isz 1. Abook structure comprising a substan tially rectangular binder frame for receiving one end portion of a loose leaf filling said frames including side 1318C6S, Clfi,IIIp means on said 'framefor engagement with said end portion of the filling, and means for varying the wldth of thefram'e, said means consisting pieces being each divided into a-pairof sections, a lateral head forone end of each section for engagement with one end of one of the frame side pieces, and means for adjustably connecting the other end portions of the complementary sections together.

2. A'book structure comprising'a substantially rectangular binder frame for receiving one end portion of a loose leaf fillingsaid frames includingside pieces, clamp means, on V said frame for engagement with said end portion of the filling, and means for varying the width of the frame, said means consisting of a pair of detachable end pieces, said end tions, a lateral head for one end of each section for engagement with oneend of one of the frameiside pieces, a dove-tailed slidable connection between said sections and a detent for securing the sections in adjusted position,

said sections being provided with key'slots,

and a 7 key for disposition through certain registered slots in the sections for retaining the sections in a predetermined extended'position. r; l

4; A book structure comprising a substantiallylrectangular binder frame for receiving one end portionflof' a loose leaf; filling said frames including side pieces, clamp means on said frame for engagement with saidend portion of the filling, and means for varying the width of the frame, said means consisting of a pair ofdetachable end pieces, said end pieces being each divided-into a pair of sections, a

lateral head for one end of each section for engagement with vone end of one of theframe side pieces, a dove-tailed slidable connection between said sections and a detent for securing the sections in adj usted/positiomsaid sec tions being provided with key :slots,and a key for disposition through. certain, registered slots in the sections. for retaining the sections in a predetermined extended position, and tensionalmeans for retaining said heads in engagement with. said frame. a

In testimony whereof I affix my signature.

JOHN, E. cans.

of a pair of detachable endpieces, said end pieces being each divided intoa pair of sections, a lateral head for one'end of each section forlengagement with one end of one-0f the frame side pieces, a dove tailed slidable con- 

